5 Star Custom Tunes w/ RTD Device (2018 - 2021 Lincoln Navigator 3.5L HO EcoBoost)
Take your 2018-2021 Lincoln Navigator 3.5L High Output EcoBoost to the next level with 5 Star Custom Tunes and the RTD Device. From the factory, your Navigators PCM is programmed for average drivingnot premium performance. Our custom tunes unlock hidden horsepower and torque, sharpen throttle response, refine transmission shifts, and enhance efficiency while maintaining the luxury driving experience you expect from a Lincoln.
Why Tune Your Navigator?
A stock tune leaves performance on the table. With a Navigator EcoBoost custom calibration, youll experience:
- Stronger horsepower & torque gains
- Improved throttle response and acceleration
- Smoother, more precise shifting
- Enhanced towing and passing power
Why Choose 5 Star Tuning?
5 Star Tuning is trusted by performance enthusiasts nationwide. Unlike generic one-size calibrations, each tune is custom-tailored to your driving style, modifications, and performance goals. Whether you want more torque for towing, maximum horsepower, or refined daily drivability, our tunes deliver without compromising reliability.
Proven Performance
Every 5 Star Custom Tune is dyno developed, street tested, and refined through millions of real-world miles. These tunes have been validated under heavy towing, highway driving, and city useso you know theyre ready for anything.
Free Tunes for Life
As a Tunes for Life member, youll enjoy free recalibrations for as long as you own your Navigator. Add new performance parts, and well update your tune at no charge, keeping your SUV performing at its peak with every upgrade.
What to Expect
With a 5 Star tune, your Lincoln Navigator 3.5L HO EcoBoost will benefit from:
- Sharper throttle response
- More horsepower and torque
- Refined transmission behavior
- Stronger towing and hauling capacity
How We Deliver Power
Our engineers fine-tune your Navigator by adjusting:
- Fuel maps and ignition timing
- Drive-by-wire throttle control
- Shift pressures and converter strategies
- Transmission shift scheduling
The RTD Device Advantage
The HP Tuners RTD Flasher included with your purchase isnt just a programmerits a powerful tool that allows you to:
- Store up to 10 custom tunes
- Monitor live engine parameters (RPM, boost, coolant temps, etc.)
- Datalog driving sessions for fine-tuning
- Save your factory tune and return to stock at any time
Quick & Easy Installation
Installation is simple and requires no special tools or shop visit. With a Windows laptop and Wi-Fi connection, you can flash your custom tune in minutes using the step-by-step instructions provided.
Dedicated Support
Beefcake Racing provides full support for your tuning needs. Contact us at 1-855-827-7223 or email sales@beefcakeracing.com for expert guidance throughout the process.
Important Notice
By purchasing this tuner, you agree to comply with all U.S., Canadian, and international emissions laws. 5 Star does not disable or remove emissions systems (O2 sensors, DPF, EGR, SCR, etc.). This product is not legal for sale or use in California. Orders placed from California will be canceled.
Fitment:
- 2018 Lincoln Navigator 3.5L HO EcoBoost
- 2019 Lincoln Navigator 3.5L HO EcoBoost
- 2020 Lincoln Navigator 3.5L HO EcoBoost
- 2021 Lincoln Navigator 3.5L HO EcoBoost
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

